check_quotactl_permission

Name:check_quotactl_permission

Proto:static int check_quotactl_permission(struct super_block *sb, int type, int cmd, qid_t id)

Type:int

Parameter:

Type	Parameter	Name
struct super_block *	sb
int	type
int	cmd
qid_t	id

28

Case cmd == get quota format used on given filesystem

29

Case cmd == sync disk copy of a filesystems quotas

30

Case cmd == get information about quota files

31

Case cmd == get quota subsystem status

32

Case cmd == wer version of get quota

33

Case cmd == delalloc flush, updates dquots

34

Break

36

Case cmd == get user quota structure

37

Case cmd == get disk limits and usage

38

If type == lement used for user quotas && uid_eq(current_euid(), make_kuid - Map a user-namespace uid pair into a kuid) || type == lement used for group quotas && in_egroup_p(make_kgid - Map a user-namespace gid pair into a kgid) Then Break

42

Default

43

If Not Check operation authority Then Return -EPERM

47

Return security_quotactl(cmd, type, id, sb)

**Caller**
Name	Describe
do_quotactl	Copy parameters and call proper function

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